public class PhoneList {

    private PhoneNode head;

    public PhoneList() {
        head = null;
    }

    public void add(String name, String number) {
        PhoneNode newNode = new PhoneNode(name, number);
        newNode.setNext(head);
        head = newNode;

    }
    public void print() {
        printRecur(head);
    }

    private void printRecur(PhoneNode current) {
        if (current != null) {
            current.print();
            printRecur(current.getNext());
        }
    }
    public static void main(String [] args) {
        String [] names = {"Alice", "Bob", "Mallory"};
        String [] numbers = {"1", "2", "3"};
        PhoneList phoneList = new PhoneList();

        for (int i=names.length-1; i>=0; i--){
            phoneList.add(names[i], numbers[i]);
        }

        phoneList.print();

    }
}